Pessoa Desenvolvedora Frontend React/Angular - Especialista II (Plataforma e Login Único)

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Pessoa Desenvolvedora Frontend React/Angular - Especialista II (Plataforma e Login Único) based in Brazil.

This is a senior frontend engineering opportunity focused on building and evolving a highly scalable proprietary e-commerce platform.
You’ll work on high-performance, responsive interfaces that support multiple brands, products, and digital experiences.
The role combines hands-on development with technical leadership, architectural decision-making, and platform modernization.
A key focus will be migrating legacy Angular code toward React while establishing modern frontend standards and patterns.
You’ll collaborate closely with Product, Engineering, DevOps, Infrastructure, and Marketplace teams in an agile environment.
The position offers significant autonomy, with the opportunity to influence technology choices, developer experience, and platform maturity.
You’ll also contribute directly to production stability, observability, performance, accessibility, and continuous improvement.

• Develop high-performance, scalable, interactive, and responsive user interfaces for a large-scale e-commerce platform.
• Write, test, deploy, monitor, and maintain frontend applications while ensuring production stability and reliability.
• Participate in application support, monitoring alerts, on-call rotations, and resolution of squad-related incidents.
• Act as a technical reference for the team, contributing through code reviews, pair programming, mentoring, and knowledge sharing.
• Lead the evolution and technical maturity of frontend architecture, exploring new technologies and establishing engineering standards and patterns.
• Drive the migration of legacy Angular applications and codebases toward React and modern frontend technologies.
• Design and apply scalable frontend architectures, including Design Systems and Micro Front-end approaches.
• Collaborate closely with Product, Engineering, Infrastructure, DevOps, and Marketplace teams to deliver robust solutions.
• Conduct technical audits of existing and upcoming features to identify opportunities for improvements in usability, performance, quality, and maintainability.
• Maintain clear technical documentation and actively participate in implementation and architectural decisions with an ownership mindset.
• Optimize applications for loading speed, accessibility, responsiveness, conversion, and overall user experience.
• Contribute to continuous improvement across development, CI/CD, monitoring, testing, and engineering practices.

Requirements:

• Advanced professional experience with React and its modern ecosystem, together with strong knowledge of JavaScript ES6+ and TypeScript.
• Practical knowledge of Angular, particularly in the context of maintaining or migrating legacy applications.
• Experience with automated testing, including unit, integration, and end-to-end testing.
• Strong understanding of Git, REST APIs, CI/CD practices, and modern software development workflows.
• Solid knowledge of frontend performance optimization, accessibility, page-load improvements, and conversion-oriented development.
• Experience with scalable frontend architecture, including Design Systems and Micro Front-end architectures.
• Familiarity with observability and monitoring platforms such as New Relic, Datadog, or equivalent tools.
• Experience working in Agile environments using methodologies such as Scrum or Kanban.
• Strong autonomy and a proactive, ownership-driven approach to solving complex technical problems.
• Ability to work effectively across technical and business teams, communicate clearly, and adapt to changing priorities.
• Strong focus on customer experience, continuous learning, and technical excellence.
• Experience with e-commerce platforms and marketplace ecosystems is a strong advantage.
• Knowledge of Node.js, GraphQL, Next.js, Monorepos, Google Core Web Vitals, AWS/GCP, Serverless, Docker, Kubernetes, Sonar, or Fortify is a plus.

Benefits:

• Flexible medical and dental insurance plans.
• Medication assistance and healthcare support for eligible family members.
• Free psychotherapy sessions and 24/7 telemedicine access.
• Mental health, prevention, and vaccination programs.
• Meal and food allowances, including an additional Christmas food allowance.
• Discounts of up to 40% across the company's beauty ecosystem.
• Gympass/TotalPass access to gyms and fitness studios.
• Home-office allowance for remote and hybrid work arrangements.
• Birthday day off.
• Pet health insurance and discounts through partner programs.
• Travel and accommodation benefits.
• Extended parental leave: up to 180 days for mothers and 120 days for fathers.
• Support programs for parents of children with specific needs.
• Childcare, education, school-material, and child-nutrition support.
• Dedicated legal, psychological, and social assistance.
• Private pension plan and life insurance.
• Bereavement support and payroll-deductible loan options.
• Transportation allowance and parking, depending on the working model.
• Benefits packages are adapted according to role eligibility and work arrangement.
• Opportunity to work on a large-scale e-commerce platform and influence frontend architecture and technology strategy.
• High level of autonomy, technical ownership, and collaboration across multidisciplinary teams.

We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.

We appreciate your interest and wish you the best!

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